Journal of Biopesticide

Journal of Biopesticide

2010, Vol. 3, Issue1

LABORATORY CULTURE AND VIRULENCE OF BEAUVERIA BRONGNIARTI (METSCHINIKOFF) ISOLATES ON SUGARCANE WHITE GRUB, HOLOTRICHIA SERRATA F(COLEOPTERA : SCARABIDAE)


AUTHOR(S)
C. Thamarai chelvi1, W. Richard Thilagaraj2, R. Kandasamy3

ABSTRACT

The entomopathogenic fungus Beauveria brongniarti was cultured in seven different solid substrate viz. pearl millet, rice, maize, wheat , cow pea , rice bran and wheat bran for the growth and sporulation of the fungus. The production of conidia was significantly different among the different substrates. Conidia produced in all the substrates tested were pathogenicity to Holotrichia serrata at varying degrees. Cow pea was found to be the best solid substrate for the sporulation and virulence of the pest among the solid substrates. The conidia produced from cow pea showed high virulence against third instar larvae of Holotrichia serrata with LC 50 value of 1.30 X 109 conidia ml -1 while conidia produced from rice was less virulent with value of LC 50 (5.56x109 conidia ml-1).


DOI
https://doi.org/10.57182/jbiopestic.3.1.177-179

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